4k TV as Desktop Monitor Replacement

Seiki Digital are now selling a 65 Inch 4K UHD LCD TV (model SE65UY04) for US$1,600. The smaller 50-Inch model got a not very flattering review on CNET. Essentially, apart from the high resolution, these are not very good TVs, but might be a useful replacement for a desktop computer monitor, for those who need a very large display. Rather than having two or three LCD displays side by side on a desktop, one 50 inch 4k TV could be used. The 65 inch unit could be attached to the wall behind a desk and be used as a sort of a virtual noticeboard. The user could position windows of information where required. The screen would then also be large enough to use for a small group presentation.